Desa GVC65PA User's Manual
Contents
1. VANGUARD VENTED PROPANE GAS HEATERS OWNER S OPERATION AND INSTALLATION MANUAL Models GVC65PA GVC50PA GVC35PA WARNING If the information in this manual WARNING Improper installation is not followed exactly a fire or explosion adjustment alteration service or may result causing property damage per maintenance can cause property sonal injury or loss of life Agi damage personal injury or loss of FOR YOUR SAFETY life Refer to this manual for cor Do not store or use gasoline or other rect installation and operational flammable vapors and liquids in the procedures For assistance or vicinity of this or any other appliance ae i additional information consult a WHAT TO DO IF YOU SMELL GAS qualified installer service agency e Do not try to light any appliance or the gas supplier e Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department d Q CANADIAN GAS ASSOCIATION 2 gt R R APPROVED installation and service must be per formed by a qualified installer service agency or the gas supplier Save this manual for future reference2. eeeeenereneneeeneeeneeeneeenee et 21 Cleaning and Maintenance eene 23 Troubleshooting idee hae ace 24 Service Procedures auo sie e ete e ete tenere dua 28 Removing Control Valve and Burner Tube 28 Removing Burner eee eee tenente inten 29 Changing Burner Orifice seen 30 Blower Wiring Diagram eese ene en e 30 Technical Service 1 5 e eet ene 31 Specifications ee e nee a teen eee 31 Service AINUS reiv sel tad Heo ties eta rei a 31 ANCCOSSOFIES enseinat eni a et eo ea osebe i Ere bee Mts b ag ote eo 31 Ordering Replacement Parts eese 32 Parts Centrals iiinn i n RU ende 32 Illustrated Parts East 5 mI eter ede et ete ER PE eed 33 35 Warranty Information essent Back Cover 100748 SAFETY A WARNINGS INFORMATION IMPORTANT Read this owner s manual carefully and completely be fore trying to assemble operate or service this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs the heater may not be operating or venting properly Get fresh air at once Have heater or heater venting
3. turn heater off see To Turn Off Gas to Appliance page 20 see Troubleshooting pages 24 through 27 100748 CLEANING AND MAINTENANCE A WARNING Turn off heater and let cool before cleaning or servicing A WARNING Keep heater clear and free from combustible materials gasoline and other flammable vapors and liguids A CAUTION You must keep control areas burner and circulating air passageways of heater clean Inspect these areas of heater before each use Have heater and venting system inspected yearly by a gualified service person Heater may need more freguent cleaning due to excessive lint from carpeting bedding material etc CABINET Air Passageways Use a vacuum cleaner or pressurized air to clean Exterior Use a soft cloth dampened with a mild soap and water mixture Wipe the cabinet to remove dust COMBUSTION CHAMBER AND BURNER Clean the combustion chamber and burner if you have run the heater with a high yellow flame Incomplete combustion from lack of air causes the yellow flame This will deposit soot inside the combustion chamber and on the burner To clean combustion chamber and burner you must remove the burner from heater See Service Procedures page 28 to remove burner After removing burner blow inside of combustion chamber clean with compressed air Clean burner with a steel wire brush Blow soot from burner with compressed air PILOT Use
4. CONTENTS SECTION PAGE Safety Information sc es ees eerte tele ea ehe vea like 3 Product Identification ee eb t ti eder 5 Local Codes ioo ned ado 6 Unpacking 4 ee eene esl eee eee 6 Product Featutes a teeth ERE e IEEE eR 6 Installing Heater tree tete tenete 6 Check Gas TYPE istuv iie es bs ttn ete eges 6 Installation tems in reote teeth ere ae 6 Locating Heater 2 2 5 eun eee 7 Venting Heater zh ee tee te i Pede IRE ed 8 Connecting to Gas Supply seen 11 Checking Gas Connections eere 13 Fresh Air For Combustion and Ventilation wee 14 Determining Fresh Air Flow for Heater Location Example 1 Locating Heater in Unconfined Open Area 15 Draft Hood Spillage Test esses 15 Providing Permanent Fresh Air Ventilation 16 Example 2 Locating Heater in Confined Closed Area 17 Ventilating Confined Area sees 17 Operating Heater 2 ceu ae RUARAI Ie 18 For Your Safety Read Before Lighting 18 Lighting Instructions esee ene 18 Manual Lighting Procedure eese 20 Blower Operation For Models with Blower 20 To Turn Off Gas To Appliance eeeeen 20 Inspecting Pilot and Burner Flame eene 21 Pilot Flame Pattern 2 2 ieu ette s 21 Burner Flame Pattern
5. 8555 Tuco Industrial Products P O Box 5076 Lynwood WA 98046 206 743 9533 1 800 735 1268 Auer Steel amp Heating Supply 2935 W Silver Spring Dr Milwaukee WI 53209 414 463 1234 100748 ILLUSTRATED PARTS LIST Cabinet Assembly KEY NO 4 2 6 7 8 GVC65PA 100202 03 098304 01 100046 03BS 100049 03BP M11084 26 100203 03 100101 03BS 099997 01 099988 01 100157 01 099987 01 100154 01 GVC50PA 100202 02 098304 01 100046 02BS 100049 02BP M11084 26 100203 02 100101 02BS 099997 01 PART NUMBER FOR GVC35PA 100202 01 098304 01 100046 01BS 100049 01BP M11084 26 100203 01 100101 01BS 099997 01 This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Ordering Replacement Parts on page 32 of this manual DESCRIPTION Lower Front Panel Screw 1110 24 x 3 8 Screen Bottom Trim Grill Assembly Screw 1110 16 x 3 8 Screw 10 16 x 3 8 Cabinet Assembly Cabinet Back Switch Plug PARTS AVAILABLE NOT SHOWN 099988 01 100157 01 099987 01 100154 01 099988 01 100157 01 099987 01 100154 01 Lighting Instructions Decal English Lighting Instructions Decal French Control Position Decal Warning Decal 100748 ILLUSTRATED PARTS LIST Burner Assembly 100748 PARTS LIST Burner Assembly KEY NO GVC65PA 100729 0
6. Bracket Pilot Screw 10 32 x 1 4 Nut M5 x 0 8 Burner Bracket a po po os os oa oa oa x 2 NN wo n OO n n oa oa on 100748 WARRANTY INFORMATION Always specify model and serial numbers when communtcating with the factory We reserve the right to amend these specifications at any time without notice The only warranty applicable is our standard written warranty We make no other warranty expressed or implied LIMITED WARRANTY VANGUARD VENTED PROPANE GAS HEATERS LIMITED ONE YEAR WARRANTY This DESA product is warranted to the original purchaser to be free from defect in material and workmanship under normal use and maintenance for a period of one year from the date of installation whether or not actual use begins on that date It is the responsibility of the consumer owner to establish the warranty period You are reguired to furnish proof of installation date which may be a Bill of Sales or other payment record which verifies the original installation A new or remanufactured part to replace any defective part will be provided at DESA s sole option without charge for the part itself FOB the shipping point The exchanged part will be warranted for only the unexpired portion of the original warranty Defective parts must be returned to DESA transportation charges prepaid DESA is not responsible for any freight charges where DESA will establish to its sole satisfaction that the part was or became
7. C 10 5 W C 10 5 W C Inlet Gas Pressure Maximum 14 W C 14 W C 14 W C Minimum 11 W C 11 W C 11 W C Dimensions Inches Heater H x W x D 25x274 4x16 28x32 x16 31 x 37 4x 16 Shipping Weight pounds 78 98 120 Flue Vent Size 4 dia 4 dia 5 dia Orifice Size 2 4 mm 0945 46 drill 081 52 drill 0635 Note These heaters are certified for elevations of 0 4500 feet above sea level For elevations above 2000 feet de rate heater 4 for each 1000 feet above sea level When gas pressure is too low e pilot will not stay lit burner will have delayed ignition e heater will not produce specified heat e propane gas supply may be low When gas quality is bad e pilot will not stay lit burner will produce yellow flames and soot e heater will backfire when lit You may feel your gas pressure is too low or gas quality is bad If so contact your local propane gas supplier Purchase these heater accessories from your local dealer If they can not supply these accessories contact your nearest Parts Central see page 32 You can also write to the address listed on the back page of this manual BLOWER KIT PART NUMBER GA6010 For all models Provides better heat distribution Makes heater more efficient Complete installation and operating instructions provided with blower MANUAL SHUTOFF VALVE GA5010 For all models Manual shutoff valve with 1 8 NPT tap 100748 ORDERING REPLACEM
8. Mainte nance page 23 2 Replace control valve Slight smoke or odor during initial operation 1 Residues from manu facturing processes 1 Problem will stop after a few hours of operation Burner fails to respond to thermo Stat 1 Pilot flame not lit 2 Pilot flame not prop erly heating end of thermocouple 3 Pilot burner orifice clogged or damaged 4 Control valve defec tive 5 Temperature at ther mostat bulb satisfied 1 Light pilot burner see Lighting Instructions page 18 2 Pilot flame needs adjusting Contact a qualified service person 3 Clean pilot burner see Cleaning and Mainte nance page 23 4 Replace control valve Heater produces a whistling noise when burner is lit 1 Air in gas line 2 Air passageways on heater blocked 3 Dirty or partially clogged burner orifice 1 Operate burner until air is removed from line Have gas line checked by local propane gas company 2 Observe minimum installation clearances see Figure 3 page 7 3 Clean burner see Cleaning and Mainte nance page 23 or replace burner orifice see Changing Burner Orifice page 30 100748 TROUBLE SHOOTING Continued A WARNING If you smell gas Shut off gas supply Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from
9. New York NY 10018 or National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 Available from Standards Council of Canada 350 Sparks Street Ottawa Ontario KIR 7S8 1 Remove heater from carton 2 Remove all protective packaging applied to heater for shipment 3 Check heater for any shipping damage If heater is damaged promptly inform dealer where you bought heater Piezo Ignition System This heater has a piezo ignitor This system requires no matches batteries or other sources to light heater Thermostatic Heat Control This heater has a thermostat sensing bulb and a control valve This results in the greatest heating comfort This can also result in lower gas bills A WARNING A qualified service person must install heater and venting system Have them inspect heater before use and at least annually Follow all local codes NOTICE This heater must be electrically grounded if equipped with blower Follow all local codes In the absence of local codes follow the National Electric Code ANSI NFPA 70 U S or Canadian Electrical Code CSA C22 1 Canada CHECK GAS TYPE Use only propane gas If your gas supply is not propane do not install heater Call dealer where you bought heater for proper type heater INSTALLATION ITEMS Before installing heater make sure you have all items below external regulator supplied by test gauge connection see installer see pag
10. Turn off and unplug heater and let cool before servicing Unless you need gas supply for testing shut off manual shutoff valve before servicing Only a gualified service per son should service and repair heater and venting system Control Rod Cotter Pin Control Valve Control Valve Bracket Ze 259 Mounting Screw gt Burner lt gt Tube Wire Connector ee Orifice eC Holder Thermocouple Interrupter Thermocouple Pilot Gas Line Wire Connector Figure 18 Removing Control Valve and Burner Tube 100748 SERVICE PROCEDURES Continued Removing Burner 1 2 Shut off gas supply to heater Remove lower front access panel on heater Disconnect burner tube from orifice holder see Figure 19 Remove orifice holder from burner see Figure 19 Remove pilot burner bracket nuts and remove pilot assembly see Figure 19 Move burner to the right for clearance Rotate burner 90 and remove burner through lower front access opening To reinstall reverse above steps Turn on gas to heater and check for gas leaks Apply a mixture of liquid soap and water to all joints Bubbles form ing show a leak Correct all leaks at once Replace lower front access panel Burner Burner Tube Pilot Burner Pilot Burner Assembly Bracket Nut Orifice Holder Figure 19 Removing Burner Tube Orifice Holder and Pilot Burner Assembly 8
11. defective under normal use and maintenance This warranty provides a labor allowance to restore the product to proper operating condition No reimbursement will be made for transportation diagnostics shipping handling or other incidental expenses This warranty applies only to the product in its original installation location and is voided if the product is reinstalled elsewhere LIMITED FIVE YEAR WARRANTY ON COMBUSTION CHAMBER During the second through fifth years after the date of original installation DESA further warrants the combustion chamber against defects in material and workmanship under normal use and maintenance A replacement combustion chamber will be provided under the same conditions as stated in the one year warranty LIMITED TEN YEAR WARRANTY ON STAINLESS STEEL BURNER During the second through tenth years after the date of original installation DESA further warrants the stainless steel burner against defects in material and workmanship under normal use Should the burner ever need to be replaced due to a defect in material or workmanship it will be exchanged free of charge upon return of the defective burner to DESA International freight prepaid along with the model and serial number of the heater The burner will not be warranted if broken altered or modified in any way This warranty does not include damages or repairs caused by floods corrosive atmosphere abuse misapplication unreasonable use improper servicing imprope
12. feet above the room or inside a building highest point of any roof within ten feet Never extend vent pipe horizontally through a chimney or flue You must connect a vertical run of vent pipe to the horizontal run The vertical run must be at least 25 longer or five feet minimum than the horizontal run Never extend vent pipe horizontally through outside wall and terminate You must connect a vertical run of vent pipe to the horizontal run The vertical run must be at least 25 longer than the horizontal run Less than 5 between elbows Vertical run of pipe must be at least five feet from elbow to elbow Figure 4 Improper Venting Systems Continued EI 100748 INSTALLING HEATER Continued VENTING HEATER continued Proper Size Vent To safely vent heater the vent connector pipe must be the same diameter as the draft hood outlet on the rear of the heater Pipe that is too small can cause flue gas to spill from the heater Fasten vent connector to the draft hood outlet with a sheet metal screw Vent Types Prefabricated or Masonry All Fuel Chimney This is a masonry chimney or a residential type prefabricated chimney Only use prefabricated chimneys listed by Underwriters Laboratories UL Inc Type B Vent These vents are made of noncombustible corrosion resistant material They are certified by a nationally recognized testing agency Type B vents are double walled pipe Clearan
13. system serviced Some people are more affected by carbon monoxide than others These include pregnant women people with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Propane Gas Propane gas is odorless An odor making agent is added to propane gas The odor helps you detect a propane gas leak However the odor added to propane gas can fade Propane gas may be present even though no odor exists Make certain you read and understand all Warnings Keep this manual for reference It is your guide to safe and proper operation of this heater 1 A qualified service person must install heater and venting system 2 Use only propane gas Do not convert heater to use different fuel type 3 Do not place propane supply tank s inside any structure Locate propane supply tank s outdoors 4 If you smell gas Shut off gas supply Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f you cannot reach your gas supplier call the fire department 5 This heater must have fresh air for proper operation If not poor fuel combustion and improper venting of flue gases will result Carbon monoxide poisoning from backed up flue gases could occur The State of California lists carbon monoxide as areproductive toxin under Proposition 65 Rea
14. 11 Do not use heater as a cooking device 12 Do not alter heater or its controls Any change may create a safety hazard 13 Turn off heater and unplug if equipped with blower and let cool before servicing Unless you need gas supply for testing shut off manual shutoff valve before servicing Only a qualified service person should service and repair heater and venting system 14 Replace any safety screen or guard removed for servicing before running heater 15 Do not use heater if any part has been under water Immediately call a qualified service person to inspect the heater and to replace any part of the control system and any gas control which has been under water 100748 IDENTIFICATION PRODUCT Lower Front Access Panel Venting System Control Valve Draft Hood Outlet for KS Control Knob Figure 1 Vented Propane Gas Heater Blower on models eguipped with blower Figure 2 Vented Propane Gas Heater Rear View Button LOCAL CODES UNPACKING PRODUCT FEATURES INSTALLING HEATER Install and use heater with care Follow all local codes In the absence of local codes use the latest edition of the following National Fuel Gas Code ANSI Z223 1 also known as NFPA 54 National Electrical Code ANSI NFPA 70 National Standard of Canada CANI B149 Available from American National Standards Institute Inc 1430 Broadway
15. 5 000 BTU Hr Burner Shown Continued 100748 1 2 SERVICE PROCEDURES Continued Changing Burner Orifice Shut off gas supply to heater Remove lower front access panel on heater Disconnect burner tube from orifice holder see Figure 20 Remove orifice holder from burner see Figure 20 Use socket or open end wrench to remove the old orifice from the orifice holder Clean and replace orifice or replace with new orifice Turn on gas to heater and check for gas leaks Apply a mixture of liquid soap and water to all joints Bubbles forming show a leak Correct all leaks at once Replace lower front access panel BLOWER WIRING DIAGRAM For Models With Blower Assembly Burner Orifice Burner Tube amp X P di Orifice Holder Figure 20 Orifice Location 35 000 BTU Hr Burner Shown Figure 21 Orifice Fan Switch Off On Auto Off Black Blower 110 115 V A C Motor Green 100748 TECHNICAL SERVICE SPECIFICATIONS SERVICE HINTS ACCESSORIES You may have further guestions about installation operation or troubleshooting If so contact DESA International s Technical Service Department at 1 800 323 5190 35 000 BTU Hr 50 000 BTU Hr 65 000 BTU Hr Model Model Model BTU 35 000 50 000 65 000 Type Gas Propane Only Propane Only Propane Only Ignition Piezo Piezo Piezo Pressure Regulator Setting 10 5 W
16. 6 098324 02 097159 01 098271 05 099974 03 100482 01 099986 01 100000 01 231939 M11084 38 O WON 0 GI BK ON 099211 01 100207 02 098265 01 098936 02 100028 02 100307 01 099976 02 530988 100309 01 180252 100706 01 100310 01 100308 02 M12461 25 098249 01 100090 01 This listcontains replaceable parts used in your heater When ordering parts follow the instructions listed under Ordering Replacement Parts on page 32 of this manual GVC50PA 100729 05 098324 02 097159 01 098271 05 099974 02 100482 01 099986 01 100000 01 231939 M11084 38 09921 1 01 100207 02 098265 01 098936 02 100028 02 100307 01 099976 02 530988 100309 01 530124 100385 01 100310 01 100308 02 M12461 25 098249 01 100090 01 PART NUMBER FOR GVC35PA 100729 04 098324 02 097159 01 098271 05 099974 01 063014 M11084 26 099986 01 100000 01 231940 M11084 38 09921 1 01 100207 02 098265 01 098936 02 100028 02 100307 01 099976 02 530988 100309 01 100469 01 100384 01 100310 01 100308 02 M12461 25 098249 01 100090 01 DESCRIPTION Combustion Chamber Control Knob Piezo Ignitor Ignitor Cable Control Rod Limit Switch Bracket Screw 110 16 x 3 8 Wire Assembly Cotter Pin Limit Switch Screw 48 18 x 3 8 Screw 18 18 x 3 8 Screw 10 16 x 2 1 4 Control Valve Elbow Thermocouple Interrupter Pilot Tubing Thermocouple Burner Tube Control Bracket Orifice Holder Orifice Burner Pilot Mounting
17. ENT PARTS PARTS CENTRALS Note Use only original replacement parts This will protect your warranty cover age for parts replaced under warranty Parts Under Warranty Contact Vanguard dealer or call DESA International s Technical Service Depart ment at 1 800 323 5190 When calling DESA International have ready your name your address model number of your heater how heater was malfunctioning type of gas used propane or natural gas purchase date Usually we will ask you to return the defective part to the factory Parts Not Under Warranty Contact Vanguard dealer If they can t supply original replacement part s either contact your nearest Parts Central below or call DESA International s Parts Department at 1 800 972 7879 for information When calling DESA International have ready model number of your heater the replacement part number These Parts Centrals are privately owned businesses They have agreed to support our customer s needs by providing original replacement parts and accessories For certain parts some Parts Centrals may refer you to a dealer in your area When calling a Parts Central ask for the Parts Department Howard Industries 1514 South Maple Ave Los Angeles CA 90015 213 747 5121 Victor Manufacturing 42 Rumsey Road E Hartford CT 06108 NY NJ DE PA MD 203 289 4223 Controlled Engineering 299 Roosevelt Road Glen Ellyn IL 60137 708 469 7300 Portable H
18. INSTALLING HEATER Continued CONNECTING TO GAS SUPPLY A WARNING A gualified service person must connect heater to gas supply Follow all local codes A CAUTION Never connect heater directly to the propane supply This heater reguires an external regulator not sup plied Install the external regulator between the heater and propane supply The installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pressure heater regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 6 Pointing the vent down protects it from freezing rain or sleet External Regulator ii BULK PROPANE TANK Vent Pointing Down Figure 6 External Regulator with Vent Pointing Down A CAUTION Use only new black iron or steel pipe Internally tinned copper tubing may be used in certain areas Check your local codes Use pipe that is 1 2 in diameter or greater to allow proper gas volume to heater If pipe is too small undue loss of pressure will occur The gas supply line to your heater must be 1 2 inch in diameter or larger If the supply line branches to serve two or more heaters the line from the branch back to the external regulator must be d
19. Replace control valve Gas odor during combustion 1 Foreign matter between control valve and burner 2 Gas leak See Warning statement at top of page 3 Foreign fumes in area of heater being drawn through burner combus tion 1 Take apart gas tubing and remove foreign matter 2 Find and correct all leaks see Checking Gas Connections page 13 3 Ventilate area around heater to remove any foreign fumes 100748 SERVICE PROCEDURES Removing Control Valve and Burner Tube 1 Shut off gas supply to heater 2 Remove lower front access panel on heater 3 Disconnect burner tube from orifice holder see Figure 18 4 Remove pilot gas line from control valve see Figure 18 5 Disconnect wire connec tors from thermocouple interrupter see Figure 18 6 Remove thermocouple and thermocouple inter rupter from control valve 7 Remove cotter pin from control valve This releases the control rod from valve see Figure 18 8 Remove the two mounting screws from control valve mounting bracket see Figure 18 9 Remove assembly from the rear of heater Pull burner tube through hole in combustion chamber 10 To reinstall reverse above steps Turn on gas to heater and check for gas leaks Apply a mixture of liquid soap and water to all joints Bubbles forming show a leak Correct all leaks at once Replace lower front access panel 1 A WARNING
20. a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater produces a clicking ticking noise just after burner is lit or shut off 1 Metal expanding while heating or contracting while cooling 1 This is common with most heaters If noise is excessive contact quali fied service person Heater produces unwanted odors 1 Heater burning vapors from paint hair spray glues etc 2 Low fuel supply 3 Gas leak See Warning statement at top of page 1 Ventilate room Stop us ing odor causing products while heater is running 2 Refill supply tank 3 Find and correct all leaks see Checking Gas Connections page 13 Heater shuts off in use 1 Heater not venting correctly Vent safety switch shuts off heater 2 Low line pressure 3 Pilot partially clogged 1 Check venting system If damaged or blocked repair If venting system is OK have qualified service person replace vent safety switch wire harness or thermocouple interrupter 2 Contact local propane gas company 3 Clean pilot see Clean ing and Maintenance page 23 Gas odor even when control knob is in OFF position 1 Gas leak See Warning statement at top of page 2 Control valve damaged 1 Find and correct all leaks see Checking Gas Connections page 13 2
21. after pilot is lit has been inadvertently triggered Burner orifice is clogged Burner orifice diameter 1s too small Inlet gas pressure is too low knob in any position other than pilot Wait one minute for safety inter lock system to reset Re peat ignition Clean burner see Clean ing and Maintenance page 23 or replace burner orifice see Changing Burner Ori fice page 30 Replace burner orifice see Changing Burner Orifice page 30 Contact local propane gas company Delayed ignition of burner Manifold pressure is too low Burner orifice is clogged Contact local propane gas company Clean burner see Cleaning and Mainte nance page 23 or replace burner orifice see Changing Burner Orifice page 30 Continued PAs 100748 TROUBLE SHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner backfiring during combustion 1 Burner orifice is clogged or damaged 2 Burner damaged 3 Gas regulator defective 4 Delayed ignition 1 Clean burner see Cleaning and Mainte nance page 23 or replace burner orifice see Changing Burner Orifice page 30 2 Replace burner 3 Replace control valve 4 See above Yellow flame during burner combustion 1 Not enough air 2 Gas regulator defective 1 Check burner for dirt and debris If found clean burner see Cleaning and
22. age pilot OBSERVED POSSIBLE PROBLEM CAUSE REMEDY When ignitor button 1 Incorrect spark gap 1 Adjust spark gap to 1 16 is pressed there is no 2 Ignitor electrode posi 2 Replace ignitor spark at pilot va oo tioned wrong Ignitor electrode broken Ignitor electrode not con nected to ignitor cable Ignitor cable pinched or wet Piezo ignitor nut is loose Broken or frayed ignitor cable Loose ignitor cable Bad piezo ignitor 3 Reconnect ignitor cable oo Free ignitor cable if Tighten nut holding piezo Replace ignitor cable Reconnect ignitor cable Replace piezo ignitor Replace ignitor pinched by any metal or tubing Keep ignitor cable dry ignitor to heater cabinet Nut is located inside heater cabinet at top When ignitor button 1 is pressed there is spark at pilot but no ignition 2 Gas supply turned off or manual shutoff valve closed Control knob not in PILOT position Control knob not pressed in while in PILOT position Air in gas lines when installed Depleted gas supply Pilot is clogged Gas regulator setting is not correct Turn on gas supply or Turn control knob to Press in control knob Continue holding down Contact local propane Clean pilot see Clean Replace control valve open manual shutoff valve PILOT position while in PILOT positi
23. assified as prefabri cated or masonry all fuel chimney or type B vent See Vent Types page 10 If using old vent check vent for soot creosote and loose particles If vent is damaged repair or replace it before using heater Extend the vertical section of vent pipe at least three feet above roof penetration Extend the vertical section of vent pipe at least two feet above the highest point of any roof within ten feet The horizontal run of vent pipe should rise at least 1 4 inch for each foot of run Support the vent pipe at least every five feet along its length Do not use combustible materials to support vent pipe Never extend vent pipe horizontally through outside wall and terminate You must connect a vertical run of vent pipe to the horizontal run The vertical run must be at least 25 longer than the horizontal run Install vent or chimney cap that is approved for use with vented gas room heaters Do not use vent pipe smaller in diameter than that of the heater draft hood outlet Do not use dampers in the vent pipes Vertical height of vent must be greater than five feet above vent connection at draft hood 100748 INSTALLING HEATER Continued VENTING HEATER continued A WARNING Do not vent heater in any of the following ways see Figure 4 Heater must be vented to the out The vertical section of vent pipe must doors Never vent heater to another extend at least two
24. ces to combustible construction must be in accordance with the listing of the particular type B vent Type B vents are cur rently listed as B 1 B 1 2 and B 2 The illustrations below show both vent types The illustration shows typical construction of each type of venting system Minimum clearances and lengths are added to the illustrations Terminate at least 5 above draft hood If vent extends over 5 above roof support with guy wires or braces Seal Around Collar and Flashing s ks VU Vent Cap Must Be At Least 2 Feet Above Highest Point Within 10 Feet Lock L P4 Joints Sp Position support Support If H dl P Laterals mm L 4 Necessary gt ii 2 A Lock sone Maintain Listed Clearance of Vent 53 5 6 Min Min Min A MM J vertical Vent Y SELL SST Lock Joints Heater Heater Vent Connector V 7 Y V Prefabricated or Ma Type B Vent sonry All Fuel Chimney Figure 5 Typical Construction of Venting Systems 100748
25. d the instructions under Fresh Air for Combustion and Ventilation pages 14 through 17 for complete information 6 Never install the heater in a mobile home or a recreational vehicle where curtains furniture clothing or other flammable objects are less than 48 inches from the front 53 inches from top or 12 inches from right side and 6 inches from left side and back of heater directly on carpeting tile or other combustible materials other than wood flooring Place heater on metal or wood panel extending the full width and depth of heater s a fireplace insert in high traffic areas in windy or drafty areas Continued 100748 SAFETY INFORMATION Continued A WARNINGS continued 7 Provide the following minimum heater clearances from combustibles as viewed from the front of heater Front 48 inches Back 6 inches Top 53 inches Right Side 12 inches Left Side 6 inches 8 Do not run heater where flammable liquids or vapors are used or stored under dusty conditions 9 Never place clothing or any flammable objects on the heater or venting system 10 Heater and venting system surfaces are very hot during operation Keep children and adults away from hot surfaces to avoid burns or clothing ignition Carefully supervise young children when they are in the same room as heater Heater will remain hot for a time after shutdown Let surface cool before touching
26. e 11 Figure 7 page 12 piping check local codes sediment trap sealant resistant to propane gas tee joint manual shutoff valve pipe wrench ground joint union venting materials An A G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 31 100748 INSTALLING HEATER Continued LOCATING HEATER A WARNING Maintain the minimum clearances shown in Figure 3 below If you can provide greater clearances A WARNING Never install the heater in a mobile home or a recreational vehicle where curtains furniture clothing or other flam mable objects are less than 48 inches from the front 53 inches from the top 12 inches from the right side and 6 inches from the left side and back of heater directly on carpeting tile or other combustible materials other than wood flooring Place heater on metal or wood panel extending the full width and depth of heater as a fireplace insert in high traffic areas in windy or drafty areas A CAUTION If you install the heater in a home garage heater pilot and burner must be at least 18 inches above floor locate heater where moving vehicle will not hit it For convenience and efficiency install heater where there is easy access fo
27. e of any misapplication abuse unreasonable use unauthorized alteration improper servicing improper operation or failure to provide reasonable and necessary maintenance 8 Freight charges incurred from parts replacement 9 DESA product installed outside the Continental U S A Alaska and Canada 10 DESA products whose serial number has been altered defaced or removed 11 Fuel or electricity costs or increases in such costs from any reason whatsoever 12 Any special indirect or consequential property economic or commercial damage of any nature whatsoever Some states do not allow the exclusion of incidental or consequential damages so the above limitation may not apply to you SN eA No representative dealer or other person is authorized to assume for DESA International any additional different or other liability in connection with the sale of this DESA product This warranty gives you specific legal rights and you may also have other rights which vary from state to state For more information about this warranty write DES A INTERNATIONAL 2701 Industrial Drive 100748 01 P O Box 90004 REV B Bowling Green KY 42102 9004 6 94
28. e rooms see Ventilating Confined Area page 17 Continued In an open area the air that leaks around doors and windows may provide enough fresh air for combustion and ventilation Draft Hood Spillage Test Follow the steps below to see if enough fresh air is available 1 Close all windows and doors 2 If you have a fireplace start a fire Build fire until flames are burning strongly 3 Turn on all exhaust fans These include exhaust fans for kitchen bathroom water heaters gas or electric etc 4 Turn on all vented gas appliances These include any room heaters water heaters clothes dryer etc 5 Wait ten minutes for drafts to regulate 6 Check for draft hood spillage at each vented gas appliance Do this by holding a lit match two inches from the draft opening see Figure 9 If match flame pulls toward the draft hood there is no spillage If match flame blows away from the draft hood there is spillage This is a hazardous condition See Draft Hood Spillage page 16 Vent Pipe Vent Pipe Draft Hood Match Heater Typical z Match Water Heater M Draft Hood Opening Figure 9 Checking for Draft Spillage No Draft Hood Spillage This shows there is enough fresh air in area for appliances Turn off all exhaust fans and appliances if desired Continued ontinue 100748 FRESH AIR FOR COMBUSTION AND VENTILATION Continued Draft Hood Spillage This is a ha
29. eater Parts 342 N County Rd 400E Valparaiso IN 46383 All States 219 462 7441 1 800 362 6951 FBD 601 Hope Street Bowling Green KY 42101 502 796 8406 800 654 8534 American Air Dist 537 W 62nd Street Shreveport LA 71108 318 861 0634 Master Service Center 1184 Wilson Grand Rapids MI 49504 616 791 4760 800 446 1446 Washer Equipment Co 1715 Main Street Kansas City MO 64108 KS MO AR 816 842 3911 Controls Inc 6820 Glenwood Ave Raleigh NC 27612 NC SC VA MD 919 787 2242 1 800 334 5886 Tarantin Tank Co P O Box 6129 Freehold NJ 07728 908 780 9340 800 922 0724 East Coast Energy 707 Broadway W Long Branch NJ 07764 908 870 8809 1 800 755 8809 ATP Services 990 Avenue of Americas New York NY 10018 212 967 6255 Dayton Hardware P O Box 275 North Dayton Station Dayton OH 45404 All States 513 258 3721 OH only 1 800 762 3426 Central Air Supply 424 North Rockwell Oklahoma City OK 73127 405 495 0014 Warmer Image Halco Enterprises 208 Carter Dr Unit 21 West Chester PA 19382 215 696 2670 1 800 368 0803 LaPorte s Parts amp Service 2444 North 5th Street Hartsville SC 29550 803 879 3009 Cans Unlimited Inc P O Box 645 Taylor SC 29687 All States 803 879 3009 1 800 845 5301 Dealers LP Equip Co P O Box 341145 Bartlett TN 38184 Al TN 901 386 8780 800 428 8902 Capitol Hydronic Supply 104 West Jefferson Street Falls Church VA 22046 703 416
30. ilot which must be lighted by hand When lighting the B BEE cinvcwstaucrions PE So D A WARNING Heater and venting system surfaces are very hot during operation Keep children and adults away from hot sur faces to avoid burns and clothing ignition Carefully super vise young children when they are in the same room as heater Heater will remain hot for a time after shut down Let surface cool before touching NOTICE If operating heater for the first time a slight odor will occur This odor will go away after a few hours of operation A WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage per sonal injury or loss of life pilot follow these instructions exactly BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supp
31. is fresh air would come from an adjoining open area or outdoors A WARNING The adjoining open area must have enough fresh outside air ventilation to supply any appliance in that area plus the confined area Follow instructions under Example 1 Locating Heater in Unconfined Open Area page 15 to make sure fresh air ventilation is adequate When ventilating to an adjoining open area you must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor on the wall connecting the two areas Follow the National Fuel Gas Code NFPA 54 ANSI 2223 1 It lists fresh air requirements for fuel burning appliances II LU e Mo Ventilation Grills Connecting Two Rooms Ventilation to Meet Unconfined Space Grills into Closet for Hot Water Heater COL EE E E RE EE E E aci Posee ced Recommended EEA TE LTM into Crawl Space in Furnace Area or in Closet with Water Heater w Figure 11 Ventilation Air from Inside Building After providing ventilation between rooms check for draft hood spillage see Draft Hood Spillage Test page 15 If draft hood spillage still occurs provide more ventilation between rooms or provide permanent ventilation from outdoors See Providing Permanent Fresh Air Ventilation page 16 100748 OPERATING HEATER B ror YOUR SAFETY READ BEFORE LIGHTING II A This appliance has a p
32. lier Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water STOP Read the safety information above If heater is equipped with a blower turn off all electric power to the heater Make sure manual shutoff valve is fully open Locate control knob on top of heater Fully depress control knob in any position other than PILOT to shut off burner and pilot DEPRESS Ignitor Button FOR OFF APPUYER POUR PILOT ARRETER LOW C HIGH Pa i Control Knob Figure 12 Control Knob and Ignitor Button VEILLEUSE 100748 O PERATI NG 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information at the top of H E ATE R page 18 If you don t smell gas go to the next step Continued 6 Remove lower front access panel on heater 7 Turn control knob clockwise LJ N to the PILOT position Fully depress control knob for five seconds Note You may be running this heater for the first time after hooking up to gas supply If so you may need to depress control knob in for 15 seconds or more This allows air to bleed from the gas system 8 With control knob depressed push down and release ignitor button This will
33. light pilot The pilot is attached to the front of burner You can see pilot with front access panel of heater removed see Figure 13 If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 24 through 27 Also contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 20 9 Keep control knob depressed for 30 seconds after lighting pilot After 30 seconds release control knob f control knob does not pop up when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 4 through 9 10 Replace lower front access panel on heater 11 If heater is equipped with a blower turn on all electrical power to the heater 12 Turn control knob counterclockwise y 7 to desired setting 13 If equipped turn blower control to the AUTO or ON position if desired A CAUTION Do not try to adjust heating levels by using the manual shutoff valve Figure 13 Viewing Pilot Continued 100748 OPERATING HEATER Continued IE MANUAL LIGHTING PROCEDURE EE Remove lower front access panel on heater Locate pilot Pilot is attached to the front of burner 1 2 3 Follow steps 1 through 7 under Lighting Instructions pages 18 and 19 4 With control knob dep
34. ng Permanent Fresh Air Ventilation If draft hood spillage occurs you must permanently supply fresh outside air to the inside of your house Provide extra fresh air by using ventilation grills or ducts Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces If you install this heater in an area with other gas appliances you must total the BTU Hr input rating of all appliances Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 It lists fresh air requirements for fuel burning appliances IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Chimney EA or Gas lt Ventilated Attic Outlet Air To Attic Inlet Air I Ventilated AL A Crawl Space Figure 10 Ventilation Air from Outdoors 100748 FRESH AIR FOR COMBUSTION AND VENTILATION Continued Example 2 Locating Heater in Confined Closed Area NOTICE A confined area has an air volume of less than 50 cubic feet for each 1000 BTU Hr input rating of all appliances in the area cubic feet eguals length x width x height of area Include adjoining rooms only if there are no doors between the rooms If you install this heater in a confined area you must provide additional fresh air Ventilating Confined Area Th
35. on control knob Repeat igniting operation until air is removed gas company ing and Maintenance page 23 or replace pilot assembly 100748 TROUBLE SHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE REMEDY Pilot lights but flame 1 Manual shutoff valve Fully open manual goes out when not fully open shut off valve control knob is 2 Control knob not fully Press in control knob released pressed in fully 3 Control knob not After pilot lights keep pressed in long enough Safety interlock system has been triggered Thermocouple connec tion loose at control valve Pilotflame nottouching thermocouple which allows thermocouple to cool causing pilot flame to go out This problem could be caused by any or all of the following A Improperly adjusted pilot flame B Low gas pressure C Dirty or partially control knob pressed in 30 seconds Wait one minute for safety interlock system to reset Repeat ignition Hand tighten until snug then tighten 1 4 turn more A Contact qualified service person to properly adjust pilot flame B Contact local propane gas company C Clean pilot see Cleaning and Mainte nance page 23 or replace pilot assembly clogged pilot 7 Thermocouple damaged Replace thermocouple 8 Control valve damaged Replace control valve Burner does not light 1 Safety interlock system Fully depress control
36. open flame to check for a leak Apply a mixture of liguid soap and water to all joints Bubbles forming show a leak Correct all leaks at once A CAUTION Make sure external regulator has been installed be tween propane supply and heater See guidelines under Connecting to Gas Supply page 11 Disconnect heater and its individual manual shutoff valve from gas supply pipe Pressures in excess of 1 2 PSIG will damage heater regulator Cap off open end of gas pipe where manual shutoff valve was connected Pressurize supply piping system by either using compressed air or opening propane supply tank valve Check all joints of gas supply piping system Apply mixture of liguid soap and water to gas joints Bubbles forming show a leak Correct all leaks at once Close manual shutoff valve see Figure 8 Pressurize supply piping system by either using compressed air or opening propane supply tank valve Check all joints from propane supply tank to manual shutoff valve Apply mixture of liguid soap and water to gas joints Bubbles forming show a leak Correct all leaks at once Open manual shutoff valve see Figure 8 Make sure control knob of heater is in the OFF position mixture of liguid soap and water to gas joints Bubbles forming show a leak Correct all leaks at once Light heater see Operating Heater pages 18 through 20 Check the rest of the internal joints for leaks Turn off heater see To Turn Off Gas
37. oubled or tripled etc in size depending upon the number of heaters Example for 1 2 inch diameter supply line If the supply line branches to serve two heaters the line diameter from the branch back to the external regulator must be at least 1 inch If three heaters are served the line diameter from the branch back to the external regulator must be at least 1 1 2 inches Note If gas supply line total length exceeds forty feet use a larger diameter pipe Use pipe that is the next size larger than the heater control valve fitting Continued B 100748 INSTALLING HEATER Continued Installation must include a manual shutoff valve ground joint union plugged 1 8 NPT tap and a sediment trap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 7 Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves A CAUTION Use pipe joint sealant that is resistant to liquid petro leum LP gas Install sediment trap in supply line as shown in Figure 7 Locate sediment trap where it is within reach for cleaning Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properl
38. r operation or failure to provide reasonable and necessary maintenance Any and all freight and labor charges incurred are not covered by this warranty and shall be borne by the owner user LIMITATION OF WARRANTIES Allimplied warranties including implied warranties of merchantability are hereby limited in duration to the period for which each limited warranty is given Some states do not allow limitations on how long an implied warranty lasts so the above limitations may not apply to you The expressed warranties made in this warranty are exclusive and may not be altered enlarged or changed by any distributor dealer or other person whomsoever DESA WILL NOT BE RESPONSIBLE FOR 1 Normal maintenance as outlined in the owner s operation and installation manual including cleaning of component parts such as orifices and burners 2 Failure to start and or operate due to voltage or gas condition blown fuses open circuit breakers loose or disconnected wires low gas pressure or other damages due to inadequacy or interruption of electrical service or gas supply Damage or repairs required as a consequence of faulty or incorrect installation not in conformance with DESA instructions Damage as a result of floods winds lightning accidents corrosive atmosphere or other conditions beyond the control of DESA Parts or accessories not supplied by DESA Costs incurred in gaining access to the heater Damage or repairs needed as a consequenc
39. r operation inspection and service in coldest part of room near an electrical outlet if heater has blower or if you are planning to add blower to heater See Accessories page 31 for blower m CEILING a ELE RE MN Minimum 53 Minimum Y Left Side M 6 Minimum MJ from Back 12 Minimum gt 48 Minimum from Front of Heater 100748 Figure 3 Heater Clearances Continued INSTALLING HEATER Continued VENTING HEATER Note Venting chimney materials are not supplied with heater A WARNING A gualified service person must install the venting system for this heater If venting system is not properly installed and maintained the vent safety shut off system will pre vent the heater from running Follow all local codes A WARNING This heater has a vent safety shut off system This system shuts off the heater gas supply if you do not vent heater properly or the venting system is blocked Do not operate heater if not properly vented Do not tamper with the vent safety shut off system Carbon monoxide poisoning and death may result A WARNING When venting this heater follow the safety information listed below Never vent heater to another room or inside a build ing Only vent heater to the outdoors Do not vent heater exhaust to a chimney or flue serving another solid fuel burning or gas appliance We recommend you use flues cl
40. ressed strike match Hold match to pilot until pilot lights 5 Follow steps 9 through 13 under Lighting Instructions page 19 E ET BLOWER OPERATION For Models with Blower A WARNING This heater has a three prong grounded electrical plug This plug helps protect you against electrical shock Only connect plug to a properly grounded three prong receptacle Do not cut or remove the grounding prong from this plug 1 Plug power cord into a standard 115 volt 60 hertz outlet 2 Turn the blower control to either the AUTO or ON position In the AUTO position as the heater begins to heat the blower will automatically come on The blower will remain on until the burner shuts off and cools down In the ON position the blower will stay on constantly Turn the blower control to the OFF position to stop the blower at any time M To Turn OFF GAS ro APPLIANCE ERMMMEMEEM Shutting Off Heater 1 Fully depress control knob in any position other than PILOT to shut off burner and pilot 2 If equipped turn blower control to OFF position Shutting Off Burner Only pilot stays lit 1 Turn control knob to the PILOT position At this setting only the pilot remains lit 100748 INSPECTING PILOT AND BURNER FLAME Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 14 shows a correct pilot flame pattern Figure 15 shows an incorrect pilot flame pattern The inco
41. rrect pilot flame is not touching the thermocouple This will prevent the thermocouple from getting hot causing the heater to shut down Thermocouple Figure 14 Correct Pilot Figure 15 Incorrect Flame Pattern Pilot Flame Pattern If pilot flame pattern is incorrect as shown in Figure 15 turn heater off see To Turn Off Gas to Appliance page 20 contact a qualified service person BURNER FLAME PATTERN Note To view burner flame remove lower front panel of heater View burner flame through oval viewing hole on combustion chamber Figure 16 page 22 shows a correct burner flame pattern Figure 17 page 22 shows two incorrect burner flame patterns The two incorrect flame patterns show high yellow flames and flames lifting off of burner A WARNING If high yellow flame occurs your heater could produce increased levels of carbon monoxide If burner flame is incorrect follow instructions on page 22 NOTICE Do not mistake orange flames with yellow flame Dirt or other fine dust particles enter the heater and burn causing brief patches of orange flame Continued 100748 INSPECTING PILOT AND BURNER FLAME Continued Sharp Blue Flame Figure 16 Correct Burner Flame Pattern High Yellow Flame AMAMAMMMAN MT Ml Ml didt didt MM MM d Off of Burner Figure 17 Incorrect Burner Flame Patterns If burner flame pattern is incorrect as shown in Figure 17
42. s through the vent pipe to the outdoors If your house is too airtight there is not enough fresh air for these items to use Fresh air may draw back into the house through venting flues and chimneys This will keep fuel burning appliances from venting properly This may cause them to release poison ous carbon monoxide gas into your home It is very important to provide enough fresh air to run all fuel burning appliances A DANGER Carbon monoxide poisoning may lead to death Carbon monoxide is a colorless odorless gas Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness and or nausea If you have these signs the heater may not be operating or venting properly Get fresh air at once Have heater or heater venting system serviced Some people are more affected by carbon monoxide than others These include pregnant women persons with heart and lung disease and anemia those under the influence of alcohol and those at high altitudes 100748 FRESH AIR FOR DETERMINING FRESH AIR FLOW FOR HEATER LOCATION COMBUSTION Example 1 Locating Heater in Unconfined Open Area AND NOTICE VENTILATION An unconfined area has a minimum air volume of 50 cubic feet for each 1000 BTU Hr input rating of all appliances in the area cubic feet equals length x width x height of area Include adjoining rooms only if there are no doors between the rooms or if you add ventila tion grills between th
43. to Appliance page 20 On Position Off Position Figure 8 Manual Shutoff Valve 100748 FRESH AIR FOR COMBUSTION AND VENTILATION A WARNING This heater must have fresh air for proper operation If not poor fuel combustion and improper venting of flue gases will result Carbon monoxide poisoning from backed up flue gases could occur Read the following instructions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New materials increased insulation and new construction methods help reduce heat loss in homes Home owners Weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible While it is good to make your home energy efficient it is not good to make it too airtight Your home needs to breath If your home is too airtight fresh air has little chance of entering in This could be dangerous if you have fuel burning appliances These appliances need fresh outside air for proper combustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate This heater is a fuel burning appliance It uses air from inside the house for combustion It also uses this air as a draft for venting This draft air helps move combustion gase
44. vacuum cleaner compressed air or small soft bristled brush to clean BURNER ORIFICE Use a vacuum cleaner compressed air or small soft bristled brush to clean You can also use a tooth pick to clean orifice Do not enlarge or damage orifice hole PILOT AND BURNER FLAME Check the pilot and burner flame monthly Make sure pilot and burner flame is burning correctly See Inspecting Pilot and Burner Flame page 21 VENTING SYSTEM Check the venting system at least once a year Make sure joints are secure and vent pipe is in good condition Do not obstruct combustion and ventilation air entering the rear of heater BLOWER MOTOR For Models with Blower The motor on a new blower is properly lubricated at the factory The first heating season the motor will need no additional care At the beginning of each season afterwards place a few drops of SAE 20 motor oil in the lubrication holes of motor Locate the lubrication holes at front and rear of motor on motor casing 100748 TROUBLE SHOOTING Note All troubleshooting items are listed in order of operation A WARNING system Turn off and unplug heater and let cool before servicing Unless you need gas supply for testing shut off manual shutoff valve before servicing Only a qualified service person should service and repair heater and venting A CAUTION Never use a wire needle or similar object to clean pilot This can dam
45. y IMPORTANT Use two pipe wrenches when connecting gas piping to gas control valve of heater This will prevent turning or damaging control valve Acceptable construction of inlet gas line T From External Regulator 11 W C Min to Manual 14 W C Max Shutoff Valve Preferred construction of inlet gas Reducer Bushing to 1 8 NPT Test pos Gauge 1 8 NPT im ion Plug T Connection Ug rap m Tee Joint Regulator Tee Joint 11 W C A 1 W C Sediment No Min to Trap pp 14 W C L Cap Max Figure 7 Gas Connection An A G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 31 For purposes of input adjustment 100748 INSTALLING HEATER Continued CHECKING GAS CONNECTIONS Pressure Testing Gas Supply Piping System Test Pressures In Excess of 1 2 PSIG 1 2 3 4 5 Test Pressures Egual To or Less Than 1 2 PSIG 1 2 3 4 Pressure Testing Heater Gas Connections 1 A 2 Open propane supply tank valve 3 4 Check all joints from manual shutoff valve to control valve on heater Apply A WARNING Test all gas piping and connections for leaks after install ing or servicing Correct all leaks at once A WARNING Never use an
46. zardous situation Draft hood spillage re leases poisonous carbon monoxide gas into your home A DANGER Carbon monoxide poisoning may lead to death If draft hood spillage occurs check for blocked flue connectors vent pipes and chimneys If you find blockage remove Test again for spillage If spillage still occurs or there was no blockage you need more fresh outside air in the house You must provide additional fresh air ventilation Follow the steps below at once A Open a window near the appliance s at least two inches Test again for If you have a fireplace open a window or door near it at least two inches If you have kitchen and bathroom exhaust fans turn them off Test again for spillage If spillage does not stop open window more and retest If spillage stops keep window open while running appliance s Supply fresh outside air by a permanent method as soon as possible If spillage still occurs leave window open and go to next step Test again for spillage If spillage does not stop open window or door more and retest If spillage stops keep window or door open while using fire place Supply fresh outside air by a permanent method as soon as possible If spillage still occurs leave window or door open and go to next step spillage If spillage stops do not use exhaust fans Turn off circuit breakers for fans if possible Permanently supply fresh outside air as soon as possible Providi
Download Pdf Manuals
Related Search